Classification Panel
The classification method panel supports the following filtering operations: seven ground point filtering methods, TIN Filter、Conicoid Filter、Slope Filter、Extract Median Ground Points、Air Points Filter、Building Filter、Steep Terrain Filter. The above seven filtering methods are only available when the memory mode is enabled.
Selector Type Setting
After selecting the classification method, a window will pop up prompting the selection of a regional tool method, including Cirele Seleetion、Polygon Selection、Rect Selection、Seed Foint Selection.
When any of the first three methods is selected, you can draw the selection area within the point cloud range; when the Seed Point method is chosen, you can click to select seed points and set parameters such as the range to define the selection area.
Ground Point Filtering
The current version includes four ground point filtering methods: Tin filter 
, Conicoid filter 
, slope filter 
, median filter 
. After enabling the memory point cloud block editing state, users can click on the corresponding icon to open the corresponding filtering method.
Noise Filtering
Noise filtering 
is used to separate noise points from memory point clouds.
Building Filtering
Building Filtering
is used to extract building points from memory point clouds.
Steep Terrain Filter
Steep terrain filter
is used to extract ground points in steep terrain from memory point clouds.